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freebsd-ports/lang/gcc27/files/patch-gxxint.texi

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--- cp/gxxint.texi.orig Wed Oct 11 19:29:39 1995
+++ cp/gxxint.texi Mon Mar 20 13:29:12 2000
@@ -1285,13 +1285,13 @@
copy value onto heap
jump throw (Ln, id, address of copy of value on heap)
- try {
+ try @{
+Lstart: the start of the main EH region
|... ...
+Lend: the end of the main EH region
- } catch (T o) {
+ @} catch (T o) @{
...1
- }
+ @}
Lresume:
nop used to make sure there is something before
the next region ends, if there is one
@@ -1312,7 +1312,7 @@
[
[
call throw_type_match
- if (eq) {
+ if (eq) @{
] these lines disappear when there is no catch condition
+Lsregion2:
| ...1
@@ -1320,7 +1320,7 @@
|Lhandler: handler for the region Lsregion2-Leregion2
| rethrow (Lresume, same id, same obj);
+Leregion2
- }
+ @}
] there are zero or more of these sections, depending upon how many
catch clauses there are
----------------------------- expand_end_all_catch --------------------------
@@ -1336,7 +1336,7 @@
start_all_catch emits labels: Lresume,
-#end example
+@end example
The __unwind_function takes a pointer to the throw handler, and is
expected to pop the stack frame that was built to call it, as well as
@@ -1346,7 +1346,7 @@
into. The way I normally start is to compile:
void *g;
- foo(void* a) { g = a; }
+ foo(void* a) @{ g = a; @}
with -S, and change the thing that alters the PC (return, or ret
usually) to not alter the PC, making sure to leave all other semantics
@@ -1453,7 +1453,7 @@
should also be removed, although not doing this is harmless in terms of
semantics.
-#end itemize
+@end itemize
The above is not meant to be exhaustive, but does include all things I
have thought of so far. I am sure other limitations exist.
@@ -1515,7 +1515,7 @@
The eh archive (~mrs/eh) might be good reading for understanding the Ada
perspective, and some of kenners mindset, and a detailed explanation
-(Message-Id: <9308301130.AA10543@vlsi1.ultra.nyu.edu>) of the concepts
+(Message-Id: <9308301130.AA10543@@vlsi1.ultra.nyu.edu>) of the concepts
involved.
Here is a guide to existing backend type code. It is all in